Patents Assigned to SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
  • Patent number: 10620287
    Abstract: The application provides a method, apparatus and computer program product for denoising a magnetic resonance diffusion tensor, wherein the method comprises: collecting data of K space; calculating a maximum likelihood estimator of a diffusion tensor according to the collected data of K space; calculating a maximum posterior probability estimator of the diffusion tensor by using sparsity of the diffusion tensor and sparsity of a diffusion parameter and taking the calculating maximum likelihood estimator as an initial value; and calculating the diffusion parameter according to the calculated maximum posterior probability estimator. The application solves the technical problem in the prior art of how to realize high precision denoising of diffusion tensor while not increasing scanning time and affecting spatial resolution, achieves the technical effects of effectively suppressing noises in the diffusion tensor and improving the estimation accuracy of the diffusion tensor.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: April 14, 2020
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Xi Peng, Dong Liang, Xin Liu, Hairong Zheng
  • Patent number: 10607414
    Abstract: The invention provides a method and a device for seeing through an obstruction based on smart glasses, and a computer-readable storage medium, the method comprising: acquiring a first image of user's view by smart glasses and recognizing an obstruction image in the first image; acquiring a second image of the user's view by at least one image acquisition device; replacing the obstruction image in the first image with portion of the second image that corresponds to the obstruction image, which are spliced to generate an unobstruction image of the user's view. In the invention, the obstruction image in the first image is replaced with a portion of the second image that corresponds to the obstruction image, which can achieve seeing through an obstruction.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: March 31, 2020
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Nan Fu, Yaoqin Xie, Yanchun Zhu, Shaode Yu, Yili Chen, Zhicheng Zhang
  • Patent number: 10555724
    Abstract: An ultrasound probe calibration system and method. The system comprises an ultrasound probe calibration phantom (100), and the ultrasound probe calibration phantom (100) is provided with a sunken recess (110) at a middle position of an upper surface thereof and with several conical holes on a side surface thereof. The sunken recess (110) is fixedly connected with a two dimensional ultrasound probe (220) therein. The conical hole is inserted with an NDI insertion stylus (230), and a tip of the NDI insertion stylus (230) can be acquired in ultrasound imaging. An ultrasound probe calibration system employing the above structure enables a midplane of an ultrasound plane to pass a midplane of an ultrasound probe calibration phantom (100) along a middle gap, such that a tip of an NDI insertion stylus (230) is used for the midplane of the ultrasound plane, thereby addressing the problem of misalignment of a point-type phantom or a two-dimensional plane-type phantom to the ultrasound plane.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: February 11, 2020
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Tiexiang Wen, Jia Gu, Yaoqin Xie, Lei Wang
  • Publication number: 20200038692
    Abstract: Provided is a conscious animal ultrasonic neural regulation device, including a pulse signal generation module, a transducer module and a fixing module. The pulse signal generation module is configured to generate a pulse signal with high energy. The ultrasonic transducer module is configured to convert the pulse signal into an ultrasound. The fixing module includes an upper fixing module and a lower fixing module. The upper fixing module is configured to fix the ultrasonic transducer module, and the lower fixing module is configured to be fixed on an animal neural regulation target point. The upper fixing module and the lower fixing module are connected by a connecting component. The conscious animal neural regulation device of the present disclosure can perform accurate ultrasonic stimulation on a cerebral cortex and subcortex of the animal, thereby exploring and verifying the stimulation effect of the ultrasound on the animal, which is easy in operation and convenient in use.
    Type: Application
    Filed: April 21, 2017
    Publication date: February 6, 2020
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hairong Zheng, Hui Zhou, Lili Niu, Ruibiao Guo, Long Meng, Yongchuan Li, Min Su, Jiquing Huang, Ming Qian
  • Publication number: 20190389050
    Abstract: A three-degree-of-freedom parallel mechanism with curved sliding pairs includes a fixed platform, a moving platform, and three curved branches disposed between the fixed platform and the moving platform. Each of the curved branches includes a first curved link and a second curved link that share a common arc center. One end of the first curved link is connected to fixed platform by a rotational pair. One end of the second curved link is disposed in a cavity at another end of the first curved link. The second curved link is operative to perform a reciprocating motion along a tangent of an arc of the first curved link. Another end of the second curved link is connected to the moving platform by a ball joint. The axes of the three rotational pairs of the three curved branches coincide with each other and are perpendicular to the fixed platform.
    Type: Application
    Filed: April 25, 2017
    Publication date: December 26, 2019
    Applicant: Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences
    Inventors: Guoru ZHAO, Yongfeng WANG
  • Patent number: 10459052
    Abstract: Provided are a magnetic resonance chemical-shift-encoded imaging method, apparatus, and device, belonging to the technical field of magnetic resonance imaging. The method comprises: in a phasor-error plot established on the basis of a two-point magnetic resonance signal model, determining to be an initial seed point a pixel having a unique phasor and causing said plot to reach a minimal local value; according to the initial seed point, estimating the phasor value of a to-be-estimated pixel to obtain a field map; mapping and merging the field map at the highest resolution to obtain a reconstructed field map; determining a reconstructed seed point from the reconstructed field map, and estimating the reconstructed seed point to obtain the phasor value of the reconstructed to-be-estimated pixel; according to the reconstructed seed point and the phasor value of the reconstructed to-be-estimated pixel, obtaining two separate images having predetermined components.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: October 29, 2019
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hairong Zheng, Xin Liu, Chuanli Cheng, Chao Zou
  • Patent number: 10394979
    Abstract: The present disclosure discloses a method and a device for elastic object deformation modeling.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: August 27, 2019
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Bin Wang, Hui Huang, Longhua Wu
  • Patent number: 10357369
    Abstract: The present application discloses a method of producing a knee replacement implant, an implant for knee replacement formed by using the method, and a knee replacement implant. The method includes: defining a hip center, a knee center, an ankle center and a posterior femoral condylar axis of a lower limb; generating femoral geometric parameters and tibial geometric parameters, the femoral geometric parameters and the tibial geometric parameters being measured in relation to the hip center, the knee center, the ankle center and the posterior femoral condylar axis; collecting anthropometric data from a defined population using the femoral geometric parameters and the tibial geometric parameters; and creating a femoral component and/or a tibial component using the collected anthropometric data.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: July 23, 2019
    Assignees: Shandong Weigao Orthopaedic Device Co. Ltd., The Chinese University of Hong Kong, Shenzhen Institutes of Advanced Technology, Chinese Academy of Science
    Inventors: Kwok-Sui Leung, Wing-Hoi Cheung, Jianghui Qin, Chun-Sing Chui, Dufang Shi, Kwoon-Ho Chow, Ling Qin, Wanfu Kou, Chenglin Lu
  • Patent number: 10258250
    Abstract: The present disclosure provides a GPU-based parallel electrocardiogram signal analysis method, comprising: performing a filtering process of electrocardiogram signals through a long interval artifact removal and a short interval artifact removal; performing a QRS detection of the filtering-processed electrocardiogram signals through an R-wave position extraction, a QRS complex start and end positions extraction and a QRS complex width extraction; performing an abnormal waveform classification of the QRS-detected electrocardiogram signals through template creation; wherein at least one of the long interval artifact removal, the short interval artifact removal, the R-wave position extraction, the QRS complex width extraction and the creation template is performed by a multiple threads at a GPU device side in parallel, any thread being read through its unique index number to process corresponding data.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: April 16, 2019
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Ye Li, Xiaomao Fan, Furu Xiang, Yunpeng Cai, Fen Miao
  • Publication number: 20190011515
    Abstract: Provided are a magnetic resonance chemical-shift-encoded imaging method, apparatus, and device, belonging to the technical field of magnetic resonance imaging. The method comprises: in a phasor-error plot established on the basis of a two-point magnetic resonance signal model, determining to be an initial seed point a pixel having a unique phasor and causing said plot to reach a minimal local value; according to the initial seed point, estimating the phasor value of a to-be-estimated pixel to obtain a field map; mapping and merging the field map at the highest resolution to obtain a reconstructed field map; determining a reconstructed seed point from the reconstructed field map, and estimating the reconstructed seed point to obtain the phasor value of the reconstructed to-be-estimated pixel; according to the reconstructed seed point and the phasor value of the reconstructed to-be-estimated pixel, obtaining two separate images having predetermined components.
    Type: Application
    Filed: December 30, 2015
    Publication date: January 10, 2019
    Applicant: Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences
    Inventors: Hairong Zheng, Xin Liu, Chuanli Cheng, Chao Zou
  • Publication number: 20180369815
    Abstract: Disclosed is a microfluidic system based on an artificially structured acoustic field, comprising a microcavity and a ultrasonic emission device, wherein the microcavity is used to accommodate a solution containing particles, the ultrasonic emission device is used to emit ultrasound, and characterized in further comprising a phononic crystal plate placed in the microcavity, wherein the phononic crystal plate has an artificial cycle structure, and is used to modulate the acoustic field so as to control the particles. Also disclosed is a method of controlling microfluid particles based on an artificially structured acoustic field. In the particular embodiments, since a microcavity, an ultrasonic emission device and a phononic crystal plate are comprised, the ultrasonic emission device is used to emit ultrasound, and the phononic crystal plate has an artificial cycle structure, and is used to modulate the acoustic field so as to control the particles.
    Type: Application
    Filed: October 10, 2015
    Publication date: December 27, 2018
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hairong ZHENG, Fwi LI, Felyan CAI, Long MENG, Chen WANG, Chengxiang ZHANG, Weibao QIU, Yongchuan LI, Fei YAN, Lili NIU, Liufeng GENG, Chaowei XU
  • Publication number: 20180323467
    Abstract: A secondary battery and its preparation method, the secondary battery having a negative electrode containing a negative current collector; and no negative active material; an electrolyte having an electrolyte salt and an organic solvent a separator; a positive electrode having a positive active material layer containing a positive active material, wherein the positive active material comprises a material having a layered crystal structure; and a battery case used for packaging. Main active component of the secondary battery is the positive active material having a layered crystal structure, which is environmentally-friendly and low in cost; meanwhile, negative active material is not needed by he second battery system, thereby remarkably reducing the weight and cost of the battery and improving the battery energy density. The reaction mechanism adopted by the secondary battery significantly increases the working voltage of the battery and further improves the energy density of the battery.
    Type: Application
    Filed: November 12, 2016
    Publication date: November 8, 2018
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Yongbing TANG, Xiaolong ZHANG, Fan ZHANG
  • Patent number: 10089781
    Abstract: The present disclosure provides a three-dimensional point cloud model reconstruction method and a device.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: October 2, 2018
    Assignee: Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences
    Inventors: Hui Huang, Shihao Wu, Minglun Gong, Matthias Zwicker, Daniel Cohen-Or
  • Patent number: 10066956
    Abstract: The present disclosure provides a navigation method based on a three-dimensional scene, comprising: calculating an interest value of a viewpoint of a camera based on heights, volumes, irregularities and uniqueness of buildings in a scene; generating trajectory parameters of the camera according to the interest value of the viewpoint, so as to navigate according to the trajectory parameters. The navigation method based on a three-dimensional scene of the present disclosure obtains a reasonable interest value of the viewpoint based on heights, volumes, irregularities and uniqueness of the buildings, thereby achieving a high-quality navigation.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: September 4, 2018
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hui Huang, Zhuming Hao, Minglun Gong, Daniel Lischinski, Daniel Cohen-Or
  • Patent number: 10062207
    Abstract: A method for reconstructing a three-dimensional model of point clouds includes following steps: a, scanning to obtain point clouds of an object required for a three-dimensional model reconstruction; b, analyzing quality of the obtained point clouds; c, computing a new scanning view based on the analyzed point clouds; d, scanning according to the new scanning view and updating the point clouds of step a based on point clouds obtained by the scanning according to the new scanning view in real time; and e, reconstructing a three-dimensional model according to the point clouds updated in real time. The invention further relates to a system for reconstructing a three-dimensional model of point clouds. The invention can realize full automatic reconstruction of a three-dimensional model and create a model of point clouds with high quality. In addition, the invention is easy to implement and can achieve high efficiency.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: August 28, 2018
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Hui Huang, Shihao Wu, Wei Sun, Pinxin Long, Minglun Gong, Daniel Cohen-Or, Oliver Martin Deussen
  • Patent number: 10018698
    Abstract: Disclosed is a magnetic resonance rapid parameter imaging method and system. The method comprises: obtaining a target undersampled magnetic resonance signal (S10); obtaining prior information of a parameter model (S20); performing sequence reconstruction of a target image according to the undersampled magnetic resonance signal and the prior information to obtain a target image sequence (S30); and substituting the target image sequence into the parameter estimation model to obtain object parameters and to generate parametric images (S40).
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: July 10, 2018
    Assignee: Shenzhen Institutes Of Advanced Technology Chinese Academy Of Sciences
    Inventors: Xi Peng, Dong Liang, Xin Liu, Hairong Zheng
  • Patent number: 9883351
    Abstract: Disclosed is an indoor positioning device which comprises a base, a light source mounted on the base, a rotating part, a rotating outer shell and a controller; the rotating outer shell is a hemispherical shell body or a shell body being tangent externally with a hemispherical surface; a luminous point is located at a spherical center of the rotating outer shell; the rotating outer shell is divided into a plurality of encoded rings, each encoded ring is divided into a plurality of encoding bits, a angle ? of each encoding bit in a latitudinal direction is 360/N degrees, different encoded rings has different arrangements of encoding bits; in each encoded ring, some encoding bits are in a transparent state, there is no arrangement of two continuous opaque encoding bits, some encoding bits arranged in a specified style constitute a start bit or an end bit; once a light barrier of the rotating part passes through an optical coupler, the light source generates a frequency hopping; a receiver senses an optical signa
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: January 30, 2018
    Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES
    Inventors: Guang Tan, Bo Xie, Chenghua Mao, Zhongkai Xiao
  • Publication number: 20170245837
    Abstract: An ultrasound probe calibration system and method. The system comprises an ultrasound probe calibration phantom (100), and the ultrasound probe calibration phantom (100) is provided with a sunken recess (110) at a middle position of an upper surface thereof and with several conical holes on a side surface thereof. The sunken recess (110) is fixedly connected with a two dimensional ultrasound probe (220) therein. The conical hole is inserted with an NDI insertion stylus (230), and a tip of the NDI insertion stylus (230) can be acquired in ultrasound imaging. An ultrasound probe calibration system employing the above structure enables a midplane of an ultrasound plane to pass a midplane of an ultrasound probe calibration phantom (100) along a middle gap, such that a tip of an NDI insertion stylus (230) is used for the midplane of the ultrasound plane, thereby addressing the problem of misalignment of a point-type phantom or a two-dimensional plane-type phantom to the ultrasound plane.
    Type: Application
    Filed: December 31, 2015
    Publication date: August 31, 2017
    Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Tiexiang WEN, Jia GU, Yaoqin XIE, Lei WANG
  • Patent number: 9710725
    Abstract: Provided is a method for extracting an image salient curve. The method comprises the following steps: drawing an approximate curve along a salient edge of an image from which a salient curve is to be extracted; obtaining short edges in the image; calculating a harmonic vector field by using the drawn curve as a boundary condition; filtering the short edges in the image by using the harmonic vector field; updating the vector field by using the short edges left in the image as boundary conditions; and obtaining an optimal salient curve of the image by using the energy of a minimized spline curve in the vector field. Also provided is a system for extracting an image salient curve. The image salient curve can ensure the smoothness and a bending characteristic.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: July 18, 2017
    Assignee: Shenzhen Institutes Of Advanced Technology Chinese Academy Of Sciences
    Inventors: Kangxue Yin, Hui Huang
  • Patent number: 9700307
    Abstract: A suturing nail includes a first nail body a second nail body being intertwined mutually to form a helix portion; a first nail crown extending from an end of the first nail body; a second nail crown extending from an end of the second nail body and opposite to the first nail crown, the first and the second nail crown being located on the same side of the helix portion and perpendicular to the helix portion; a first nail leg extending from the other end of the first nail body; a second nail leg extending from the other end of the second nail body and being spaced from the first nail, the first and the second nail leg are located on the same side of the helix portion, the first nail leg and the second nail leg are parallel to the helix portion. The suturing nail is not deformed easily.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: July 11, 2017
    Assignee: Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences
    Inventors: Guoru Zhao, Yongfeng Wang